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Cash, Cash Equivalents And Short-Term Investments | 12 Months Ended
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Dec. 31, 2011
Cash, Cash Equivalents And Short-Term Investments [Abstract] |
Cash, Cash Equivalents And Short-Term Investments | Note 5. Cash, Cash Equivalents and Short-Term Investments The following is a summary of cash, cash equivalents and short-term investments at December 31, 2011 (in thousands):
|  | December 31, 2011 |
|  | Carrying Value |  |  | Gross Unrealized Gain |  |  | Fair Value |
Cash and cash equivalents: |  |  |  |  |  |  |  |  |  |  |  |
Cash |  | $ | 16,814 |  |  | $ | 0 |  |  | $ | 16,814 |
Money market funds |  |  | 8,683 |  |  |  | 0 |  |  |  | 8,683 |
|  |  | 25,497 |  |  |  | 0 |  |  |  | 25,497 |
Short-term investments: |  |  |  |  |  |  |  |  |  |  |  |
United States government agency securities |  |  | 287 |  |  |  | 0 |  |  |  | 287 |
Total short-term investments |  |  | 287 |  |  |  | 0 |  |  |  | 287 |
Total cash, cash equivalents and short-term investments |  | $ | 25,784 |  |  | $ | 0 |  |  | $ | 25,784 |
The following is a summary of cash, cash equivalents and short-term investments at December 31, 2010 (in thousands):
|  | December 31, 2010 |
|  | Carrying Value |  |  | Gross Unrealized Gain |  |  | Fair Value |
Cash and cash equivalents: |  |  |  |  |  |  |  |  |  |  |  |
Cash |  | $ | 22,770 |  |  | $ | 0 |  |  | $ | 22,770 |
Money market funds |  |  | 6,178 |  |  |  | 0 |  |  |  | 6,178 |
Total cash and cash equivalents |  |  | 28,948 |  |  |  | 0 |  |  |  | 28,948 |
Short-term investments: |  |  |  |  |  |  |  |  |  |  |  |
Corporate debt securities |  |  | 14 |  |  |  | 59 |  |  |  | 73 |
United States government agency securities |  |  | 939 |  |  |  | 49 |  |  |  | 988 |
Total short-term investments |  |  | 953 |  |  |  | 108 |  |  |  | 1,061 |
Total cash, cash equivalents and short-term investments |  | $ | 29,901 |  |  | $ | 108 |  |  | $ | 30,009 |
Cash equivalents and short-term investments at December 31, 2011 and 2010 consisted of the following by original contractual maturity (in thousands):
|  | December 31, 2011 |  |  | December 31, 2010 |
|  | Carrying Value |  |  | Fair Value |  |  | Carrying Value |  |  | Fair Value |
Due in one year or less |  | $ | 8,683 |  |  | $ | 8,683 |  |  | $ | 6,178 |  |  | $ | 6,178 |
Due greater than three years and less than five years |  |  | 287 |  |  |  | 287 |  |  |  | 953 |  |  |  | 1,061 |
Total cash equivalents and short-term investments |  | $ | 8,970 |  |  | $ | 8,970 |  |  | $ | 7,131 |  |  | $ | 7,239 |
The maturities of certain short-term investments were estimated primarily based upon assumed prepayment features and credit enhancement characteristics. Gross realized gains from the sale or maturity of available-for-sale investments were minimal, $0 and $0.2 million during the years ended December 30, 2011, 2010 and 2009, respectively. The Company recorded minimal gross realized losses from the sale or maturity of available-for-sale investments during the year ended December 31, 2010 and did not record any gross realized losses during the years ended December 31, 2011 and 2009. The Company did not record losses on investments experiencing an other-than-temporary decline in fair value during the years ended December 31, 2011, 2010 and 2009.

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- Definition Tabular disclosure of marketable securities. This may consist of investments in certain debt and equity securities, short-term investments and other assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.4) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 5 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=6872113&loc=d3e27232-111563 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6871852&loc=d3e26626-111562 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.2,12) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6871852&loc=d3e26610-111562 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6872113&loc=d3e27161-111563 + Details
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